Volume reset to maintenance mode

Update existing test with reset-volume state to maintenance.

The purpose here is to verify that cinder state can be changed to maintenance.

Here are all valid states for cinder:
https://docs.openstack.org/developer/cinder/api/cinder.api.contrib.admin_actions.html

Change-Id: I5226b000317b2a9ab034afa90c3461011db4a030
1 file changed